Philonix echini
Acraspis echini Ashmead
Gall. On the leaves of swamp white oak (Quercus platanoides) in autumn. Almost globular, with the surface fintely netted or fissured like a strawberry and covered with short spiny prickles. Yellowish in color. Internally there are from one to four cells, but usually only two cells. Diameter 5 to 7 mm.
Habitat: Florida
The gall somewhat resembles that of Philonix erinacei and Philonix pezomachoides. It is smaller than erinacei and larger than pezomachoides. The surface is coarser than in erinacei and the spines are considerably shorter.
”- William Beutenmuller: (1909) The species of Biorhiza, Philonix and allied genera, and their galls©